The North's leader, Kim Jong-un, sent the two dogs to his counterpart Moon Jae-in in a bid to promote peace amid thawing ties on the Korean peninsula.
Gomi, a Pungsan hunting dog, gave birth to three female and three male puppies.
President Moon shared photos of the dogs on the official Blue House twitter feed on Sunday.
11월 9일에 태어난 ‘곰이’의 새끼들입니다. 엄마개와 여섯 새끼들 모두 아주 건강합니다. 사진은 오늘 오후에 문재인 대통령과 김정숙 여사가 관저 앞마당에서 곰이와 새끼들을 살피는 모습입니다. pic.twitter.com/pkP6KpgRZJ— 대한민국 청와대 (@TheBlueHouseKR) November 25, 2018
"As the pregnancy period of dogs is about two months, Gomi must have come to us pregnant," he reportedly tweeted when the pups were born. "I hope inter-Korean affairs will be like this."
Days after the puppies were born, South Korea flew military planes filled with tangerines to Pyongyang. The North had previously sent pine mushrooms over the border following a summit between the two leaders.
Gomi and the other dog, Songgang, came to the South with nearly seven pounds of food, and joined President Moon's other pets - including rescue dog, Tory.
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